Jae Hyoun Ha

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UV is a major environmental factor inducing and worsening the symptoms of hyperpigmentation disorders such as freckles, melasma and solar lentigines. During UV-induced skin inflammatory reactions, pro-inflammatory mediators initiate the production of various paracrine melanogenic factors (α-MSH, SCF, ET-1, bFGF and NO) in keratinocytes. These paracrine(More)
The purpose of this paper is to improve the management of cables that need much time and work in the measurement environment that has many multichannel cables. Therefore, a monitoring system that inspects faults and connection states of multichannel cables is suggested and designed. The system is based on time-domain reflectometry (TDR) and has two features(More)
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